Remove misleading comment (#3493)

* bugfix

* remove comment

src/Fields/field.jl

@@ -743,15 +743,6 @@ end
 function fill_halo_regions!(field::Field, args...; kwargs...)
     reduced_dims = reduced_dimensions(field)
 
-    # To correctly fill the halo regions of fields with non-default indices, we'd have to
-    # offset indices in the fill halo regions kernels.
-    # For now we punt and don't support filling halo regions on windowed fields.
-    # Note that `FieldBoundaryConditions` _can_ filter boundary conditions in
-    # windowed directions:
-    #
-    #   filtered_bcs = FieldBoundaryConditions(field.indices, field.boundary_conditions)
-    #  
-    # which will be useful for implementing halo filling for windowed fields in the future.
     fill_halo_regions!(field.data,
                        field.boundary_conditions,
                        field.indices,

test/test_distributed_hydrostatic_model.jl

@@ -79,7 +79,7 @@ Ny = 32
 for arch in archs
     @testset "Testing distributed solid body rotation" begin
         grid = LatitudeLongitudeGrid(arch, size = (Nx, Ny, 1),
-                                     halo = (3, 3, 3),
+                                     halo = (4, 4, 4),
                                      latitude = (-80, 80),
                                      longitude = (-160, 160),
                                      z = (-1, 0),